Ring artifact

{"current_user":null,"inclusions":[{"imageId":481,"studyId":37456,"caseSlug":"ring-artifact-3","caption":"Case 1: ring artifact","thumbnail":"https://prod-images-static.radiopaedia.org/images/481/5166ded4354275ebd4c2d7c2747aa8_big_gallery.jpeg","isStack":false,"diagnosticCertainty":"not_applicable"},{"imageId":2709855,"studyId":20731,"caseSlug":"xanthogranulomatous-pylonephritis","caption":"Case 2: ring-artifact after reconstruction","thumbnail":"https://prod-images-static.radiopaedia.org/images/2709855/5e03c4be2df7f0bc14b0caa2d1afc8_big_gallery.jpg","isStack":true,"diagnosticCertainty":"confirmed_unsubstantiated"},{"imageId":2943549,"studyId":21734,"caseSlug":"streak-beam-hardening-and-ring-artifacts","caption":"Case 3: streak, beam hardening and ring artifacts","thumbnail":"https://prod-images-static.radiopaedia.org/images/2943549/b170dc2e8c00cc3e129bbcd6f4ad76_big_gallery.jpg","isStack":false,"diagnosticCertainty":"not_applicable"},{"imageId":3234993,"studyId":22719,"caseSlug":"ring-artifact-4","caption":"Case 4","thumbnail":"https://prod-images-static.radiopaedia.org/images/3234993/9ffac1f9cff192d27cd10be598f1d2d57fd34cf033e67794851d94a5c0988a6a_big_gallery.jpeg","isStack":false,"diagnosticCertainty":"confirmed_substantiated"},{"imageId":6109236,"studyId":28293,"caseSlug":"ring-artifact","caption":"Case 5","thumbnail":"https://prod-images-static.radiopaedia.org/images/6109236/da8a628b604924c56bb5a7b2ba84d8_big_gallery.JPG","isStack":false,"diagnosticCertainty":"not_applicable"},{"imageId":2871838,"studyId":21321,"caseSlug":"tubo-ovarian-abscess-10","caption":"Case 6","thumbnail":"https://prod-images-static.radiopaedia.org/images/2871838/f2c6170a997c8b72c44bb32a6e762b_big_gallery.jpg","isStack":true,"diagnosticCertainty":"confirmed_substantiated"},{"imageId":8326090,"studyId":31759,"caseSlug":"partial-ring-artifact-on-ct","caption":"Case 7: partial ring","thumbnail":"https://prod-images-static.radiopaedia.org/images/8326090/ac5da1f8c9e137e1f75e0676a43de0_big_gallery.jpg","isStack":true,"diagnosticCertainty":"not_applicable"},{"imageId":11237122,"studyId":35819,"caseSlug":"ring-artifact-1","caption":"Case 8","thumbnail":"https://prod-images-static.radiopaedia.org/images/11237122/40f0be5b414fbb5f3444f4fc00bd1b_big_gallery.jpg","isStack":true,"diagnosticCertainty":"confirmed_substantiated"},{"imageId":50104632,"studyId":79149,"caseSlug":"ring-artifact-2","caption":"Case 9","thumbnail":"https://prod-images-static.radiopaedia.org/images/50104632/6589fd95491aa8a7b9beaee1297fc780320255638292450bfdd2c64b0ba1aba8_big_gallery.jpeg","isStack":true,"diagnosticCertainty":"not_applicable"},{"imageId":2838449,"studyId":21184,"caseSlug":"acquired-adrenal-hyperplasia-due-to-thymic-carcinoid-tumour","caption":"Case 10","thumbnail":"https://prod-images-static.radiopaedia.org/images/2838449/42365d7fc181e7664f75e354bd18e5_big_gallery.jpg","isStack":true,"diagnosticCertainty":"possible"},{"imageId":2835008,"studyId":21158,"caseSlug":"ankylosing-spondylitis-15","caption":"Case 11","thumbnail":"https://prod-images-static.radiopaedia.org/images/2835008/20c9660f6c1d64370b24d155fec799_big_gallery.jpg","isStack":true,"diagnosticCertainty":"confirmed_unsubstantiated"},{"imageId":2621197,"studyId":20437,"caseSlug":"focal-pancreatitis","caption":"Case 12","thumbnail":"https://prod-images-static.radiopaedia.org/images/2621197/2d8d4114909d5af0fac16ec3f64d00_big_gallery.jpg","isStack":true,"diagnosticCertainty":"confirmed_unsubstantiated"},{"imageId":54108782,"studyId":100915,"caseSlug":"beam-hardening-and-ring-artifacts","caption":"Case 13: beam hardening and ring artifacts","thumbnail":"https://prod-images-static.radiopaedia.org/images/54108782/220081_big_gallery.jpeg","isStack":true,"diagnosticCertainty":"confirmed_substantiated"},{"imageId":55151887,"studyId":107336,"caseSlug":"ring-artifact-on-low-dose-ct","caption":"Case 14: on low dose CT","thumbnail":"https://prod-images-static.radiopaedia.org/images/55151887/LungLowDose__3.0__B31f_125_big_gallery.jpeg","isStack":true,"diagnosticCertainty":"not_applicable"},{"imageId":2834167,"studyId":21149,"caseSlug":"cemento-ossifying-fibroma-2","caption":"Case 15","thumbnail":"https://prod-images-static.radiopaedia.org/images/2834167/cf000534578760c13ec9a14348a257311caf409b79e23e1fffc643b3e26f9297_big_gallery.jpeg","isStack":true,"diagnosticCertainty":"probable"},{"imageId":64034759,"studyId":143883,"caseSlug":"acute-appendicitis-136","caption":"Case 16","thumbnail":"https://prod-images-static.radiopaedia.org/images/64034759/67b92e9d2e0179209d9701ed39d3c391d08c8be7457f9fe807d52afd718ccded_big_gallery.jpeg","isStack":true,"diagnosticCertainty":"confirmed_unsubstantiated"}],"ddx_inclusions":[],"lang":"us"}